APA

Boettger S. F., Angersbach B., Klimek C. N., Wanderley A. L. M., Shaibekov A., Sieske L., Wang B., Zuchowski M., Wirth R. & Pourhassan M. (20190708). Prevalence and predictors of vitamin D-deficiency in frail older hospitalized patients. : BMC geriatrics.

Chicago

Boettger Simon Friedrich, Angersbach Bjoern, Klimek Christiane Nicola, Wanderley Ana Lemos Monteiro, Shaibekov Azim, Sieske Lars, Wang Baigang, Zuchowski Matthias, Wirth Rainer and Pourhassan Maryam. 20190708. Prevalence and predictors of vitamin D-deficiency in frail older hospitalized patients. : BMC geriatrics.

Harvard

Boettger S. F., Angersbach B., Klimek C. N., Wanderley A. L. M., Shaibekov A., Sieske L., Wang B., Zuchowski M., Wirth R. and Pourhassan M. (20190708). Prevalence and predictors of vitamin D-deficiency in frail older hospitalized patients. : BMC geriatrics.

MLA

Boettger Simon Friedrich, Angersbach Bjoern, Klimek Christiane Nicola, Wanderley Ana Lemos Monteiro, Shaibekov Azim, Sieske Lars, Wang Baigang, Zuchowski Matthias, Wirth Rainer and Pourhassan Maryam. Prevalence and predictors of vitamin D-deficiency in frail older hospitalized patients. : BMC geriatrics. 20190708.